改代码
If e.Node.Text <> "显示所有行" Then
Dim ary() As String = e.node.FullPath.split("\")
Select Case e.Node.Level
Case 0
vars("filter") = "[第二列] = '" & ary(0) & "'"
Case 1
vars("filter") = "[第二列] = '" & ary(0) & "' And [第三列] = '" & ary(1) & "'"
End Select
Functions.Execute("jz")
Else
vars("fil")= ""
Functions.Execute("jz")
End If